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https://www.readbyqxmd.com/read/28543597/special-issue-of-chirality-28-th-chirality-conference-iscd-28
#1
EDITORIAL
Oliver Trapp, Nina Berova, John Caldwell
No abstract text is available yet for this article.
May 23, 2017: Chirality
https://www.readbyqxmd.com/read/28536105/trappc13-modulates-autophagy-and-the-response-to-golgi-stress
#2
Silvia Ramírez-Peinado, Tatiana I Ignashkova, Bram J van Raam, Jan Baumann, Erica L Sennott, Mathieu Gendarme, Ralph K Lindemann, Michael N Starnbach, Jan H Reiling
Tether complexes play important roles in endo- and exocytic trafficking of lipids and proteins. In yeast, the multisubunit transport protein particle (TRAPP) tether regulates ER-Golgi, intra-Golgi transport and is also implicated in autophagy. The TRAPP complex in addition acts as a GEF for Ypt1, which is homologous to human Rab1. Here, we show that human TRAPPC13 and other TRAPP subunits are critically involved in the survival response to several Golgi disrupting agents. Loss of TRAPPC13 partially preserves the secretory pathway and viability in response to brefeldin A, which is dependent on ARF1 and the large GEF GBF1 and concomitant with reduced caspase activation and ER stress marker induction...
May 23, 2017: Journal of Cell Science
https://www.readbyqxmd.com/read/28516907/vagal-determinants-of-exercise-capacity
#3
Asif Machhada, Stefan Trapp, Nephtali Marina, Robert C M Stephens, John Whittle, Mark F Lythgoe, Sergey Kasparov, Gareth L Ackland, Alexander V Gourine
Indirect measures of cardiac vagal activity are strongly associated with exercise capacity, yet a causal relationship has not been established. Here we show that in rats, genetic silencing of the largest population of brainstem vagal preganglionic neurons residing in the brainstem's dorsal vagal motor nucleus dramatically impairs exercise capacity, while optogenetic recruitment of the same neuronal population enhances cardiac contractility and prolongs exercise endurance. These data provide direct experimental evidence that parasympathetic vagal drive generated by a defined CNS circuit determines the ability to exercise...
May 18, 2017: Nature Communications
https://www.readbyqxmd.com/read/28509359/the-dna-translocase-rad5a-acts-independently-of-the-other-main-dna-repair-pathways-and-requires-both-its-atpase-and-ring-domain-for-activity-in-arabidopsis-thaliana
#4
Tobias Klemm, Anja Mannuß, Daniela Kobbe, Alexander Knoll, Oliver Trapp, Annika Dorn, Holger Puchta
Multiple pathways exist to repair DNA damage induced by methylating and cross-linking agents in Arabidopsis thaliana. The SWI2/SNF2 translocase RAD5A, the functional homolog of budding yeast Rad5 that is required for the error-free branch of post replicative repair, plays a surprisingly prominent role in the repair of both kinds of lesions in Arabidopsis. Here we show that both the ATPase domain and the ubiquitination function of the RING domain of the Arabidopsis protein are essential for the cellular response to different forms of DNA damage...
May 16, 2017: Plant Journal: for Cell and Molecular Biology
https://www.readbyqxmd.com/read/28503966/topical-use-of-dexpanthenol-a-70th-anniversary-article
#5
Ehrhardt Proksch, Raymond de Bony, Sonja Trapp, Stéphanie Boudon
Approximately 70 years ago, the first topical dexpanthenol-containing formulation (Bepanthen™ Ointment) has been developed. Nowadays, various topical dexpanthenol preparations exist, tailored according to individual requirements. Topical dexpanthenol has emerged as frequently used formulation in the field of dermatology and skin care. Various studies confirmed dexpanthenol's moisturizing and skin barrier enhancing potential. It prevents skin irritation, stimulates skin regeneration and promotes wound healing...
May 14, 2017: Journal of Dermatological Treatment
https://www.readbyqxmd.com/read/28494459/influence-of-bovine-serum-lipids-and-fetal-bovine-serum-on-the-expression-of-cell-surface-markers-in-cultured-bovine-preadipocytes
#6
Mansur A Sandhu, Sandra Jurek, Susanne Trappe, Martin Kolisek, Gerhard Sponder, Jörg R Aschenbach
To establish the influence of fetal bovine serum (FBS) and bovine serum lipids (BSL) on cell differentiation marker expression, bovine adipose-derived stem cells from subcutaneous tissue were incubated for 14 days in 4 types of differentiation media containing 10% FBS and 10 µL/mL BSL (TRT-1), no FBS and 10 µL/mL of BSL (TRT-2), 10% FBS and no BSL (TRT-3), or no supplements (TRT-4). Cells were subjected to Nile red staining, immunocytochemistry (CD73, CD90, CD105, DLK1, FabP4), and quantitative real-time PCR (CD73, CD90, CD105, FabP4)...
May 12, 2017: Cells, Tissues, Organs
https://www.readbyqxmd.com/read/28493621/substituent-effects-in-parallel-displaced-%C3%AF-%C3%AF-stacking-interactions-distance-matters
#7
Leslie-Joana Riwar, Nils Trapp, Bernd Kuhn, François Diederich
Host-guest systems with Rebek imide type receptors and a 2,6-di(isobutyramido)pyridine ligand were employed to investigate substituent effects in parallel-displaced π-π stacking interactions. Changing the intermolecular distance between the para substituent on the aromatic platform of the receptor and the pyridine ring of the guest results in a strongly different substituent effect. With a short ethyne-1,2-diyl spacer between the Rebek imide and the aromatic platform, partial overlap of substituent and guest stabilizes the π-π stacking interactions independent of the electronic nature of the substituent (Wheeler-Houk model)...
May 11, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28471189/intermolecular-potentials-of-methane-assessed-by-second-virial-coefficients-ab-initio-dimer-interaction-energies-and-aggregate-cohesive-energies
#8
Douglas S Ribeiro
This study presents computations of three energy related properties for 26 previously published multisite intermolecular potentials of methane: MM2, MM3, MM2en, MM3en, MM2mc, MM3mc, MM3envir, RMK, OPLS all-atom, MUB-2, AMBER, BOYD, Williams, Sheikh, MG, Tsuzuki, E2-Gay, E4-Gay, MP4exp-6(iii), MP4exp-6(iv), Rowley-A, Rowley-B, TraPPE-EH, Ouyang, CLC, and Chao and three united atom potentials: Saager-Fischer (SF), OPLS united atom, and HFD. The three properties analyzed are the second virial coefficients for 14 temperature points in the range of 110 to 623...
May 19, 2017: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/28455650/-use-of-cognitive-aids-in-pediatric-emergency-care-interdisciplinary-consensus-statement
#9
REVIEW
S Wirtz, C Eich, K Becke, S Brenner, A Callies, U Harding, C Höhne, F Hoffmann, J Kaufmann, B Landsleitner, H Marung, T Nicolai, F Reifferscheid, U Trappe, P Jung
Preclinical pediatric emergencies are rare events and are therefore often associated with stress and uncertainty for emergency medical service personnel. To ensure adequate treatment of pediatric patients a variety of different cognitive aids exist (e.g. books, apps, rulers, weight-adapted bag systems). Especially the size specifications of the medical equipment and the dosage of emergency medication are individually very different in children and are dependent on parameters, such as body height and weight...
April 28, 2017: Der Anaesthesist
https://www.readbyqxmd.com/read/28447871/the-effects-of-specialization-and-sex-on-anterior-y-balance-performance-in-high-school-athletes
#10
Madeline M Miller, Jessica L Trapp, Eric G Post, Stephanie M Trigsted, Timothy A McGuine, M Alison Brooks, David R Bell
BACKGROUND: Sport specialization and movement asymmetry have been separately discussed as potential risk factors for lower extremity injury. Early specialization may lead to the development of movement asymmetries that can predispose an athlete to injury, but this has not been thoroughly examined. HYPOTHESIS: Athletes rated as specialized would exhibit greater between-limb anterior reach asymmetry and decreased anterior reach distance on the Y-balance test (YBT) as compared with nonspecialized high school athletes, and these differences would not be dependent on sex...
April 1, 2017: Sports Health
https://www.readbyqxmd.com/read/28445591/screening-endoscopy-finds-high-prevalence-of-helicobacter-pylori-and-intestinal-metaplasia-in-korean-american-with-limited-access-to-health-care
#11
Yanghee Woo, Carolyn E Behrendt, Garrick Trapp, Jae Geun Hyun, Tamas Gonda, Yuman Fong, Timothy Wang
BACKGROUND: Gastric cancer (GC) is the leading cause of cancer death among Korean Americans. Prevention and early detection is improved by screening. METHODS: Between September 2013 and March 2015, ethnic Koreans age 40 or older without history or symptoms of GC and without upper endoscopy (UE) during previous 3 years were enrolled. Participants were offered screening with GC risk assessment followed by UE with biopsies. RESULTS: Risk assessment was provided to 146 participants (age 55...
April 26, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28435144/effects-of-stanniocalcin-1-on-glucose-flux-in-rat-brown-adipose-tissue
#12
Aline G Cozer, Márcia Trapp, Tiago L Martins, Luciano Stürmer De Fraga, Claudia Vieira Marques, Jorge Felipe A Model, Vanessa Schein, Luiz Carlos Kucharski, Roselis S M Da Silva
The present work assesses in vitro the role of human Stanniocalcin 1 (hSTC-1) in (14)C-glucose metabolism in brown adipose tissue (BAT) from fed rat. In the fed state, hSTC-1 decreases the incorporation of (14)C from glucose into lipids in the rat BAT. The data support the hypothesis that the capacity of the glycerol-3-phosphate (G3P)-generating pathway (glycolysis) from glucose is regulated by hSTC-1, decreasing the adequate supply of G3P needed for fatty acid esterification and triacylglycerol (TG) storage in BAT...
April 20, 2017: Biochimie
https://www.readbyqxmd.com/read/28431137/trapp-webserver-predicting-protein-binding-site-flexibility-and-detecting-transient-binding-pockets
#13
Antonia Stank, Daria B Kokh, Max Horn, Elena Sizikova, Rebecca Neil, Joanna Panecka, Stefan Richter, Rebecca C Wade
The TRAnsient Pockets in Proteins (TRAPP) webserver provides an automated workflow that allows users to explore the dynamics of a protein binding site and to detect pockets or sub-pockets that may transiently open due to protein internal motion. These transient or cryptic sub-pockets may be of interest in the design and optimization of small molecular inhibitors for a protein target of interest. The TRAPP workflow consists of the following three modules: (i) TRAPP structure- generation of an ensemble of structures using one or more of four possible molecular simulation methods; (ii) TRAPP analysis-superposition and clustering of the binding site conformations either in an ensemble of structures generated in step (i) or in PDB structures or trajectories uploaded by the user; and (iii) TRAPP pocket-detection, analysis, and visualization of the binding pocket dynamics and characteristics, such as volume, solvent-exposed area or properties of surrounding residues...
April 20, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28418968/ethereal-notes-from-morrisville-vermont-j-a-robinson-and-maria-von-trapp
#14
(no author information available yet)
No abstract text is available yet for this article.
May 2017: Anesthesiology
https://www.readbyqxmd.com/read/28413256/dynamics-of-postcombustion-co2-capture-plants-modeling-validation-and-case-study
#15
Adam van de Haar, Carsten Trapp, Kai Wellner, Robert de Kler, Gerhard Schmitz, Piero Colonna
The capture of CO2 from power plant flue gases provides an opportunity to mitigate emissions that are harmful to the global climate. While the process of CO2 capture using an aqueous amine solution is well-known from experience in other technical sectors (e.g., acid gas removal in the gas processing industry), its operation combined with a power plant still needs investigation because in this case, the interaction with power plants that are increasingly operated dynamically poses control challenges. This article presents the dynamic modeling of CO2 capture plants followed by a detailed validation using transient measurements recorded from the pilot plant operated at the Maasvlakte power station in the Netherlands...
February 22, 2017: Industrial & Engineering Chemistry Research
https://www.readbyqxmd.com/read/28407841/cardiovascular-comorbidity-in-inflammatory-rheumatological-conditions
#16
Jürgen Braun, Klaus Krüger, Bernhard Manger, Matthias Schneider, Christof Specker, Hans Joachim Trappe
BACKGROUND: Approximately 1.5 million adults in Germany suffer from an inflammatory rheumatological condition. The most common among these are rheumatoid arthritis and spondyloarthritis-above all axial spondyloarthritis, including ankylosing spondylitis (Bekhterev's disease) and psoriatic arthritis. These systemic inflammatory diseases often affect the heart as well. METHODS: This review is based on pertinent articles retrieved by a selective literature search, on current European guidelines, and on the authors' clinical experience...
March 24, 2017: Deutsches Ärzteblatt International
https://www.readbyqxmd.com/read/28406989/escdl-1-a-new-cell-line-derived-from-chicken-embryonic-stem-cells-supports-efficient-replication-of-mardiviruses
#17
Jean-François Vautherot, Christian Jean, Laetitia Fragnet-Trapp, Sylvie Rémy, Danièle Chabanne-Vautherot, Guillaume Montillet, Aurélie Fuet, Caroline Denesvre, Bertrand Pain
Marek's disease virus is the etiological agent of a major lymphoproliferative disorder in poultry and the prototype of the Mardivirus genus. Primary avian somatic cells are currently used for virus replication and vaccine production, but they are largely refractory to any genetic modification compatible with the preservation of intact viral susceptibility. We explored the concept of induction of viral replication permissiveness in an established pluripotent chicken embryonic stem cell-line (cES) in order to derive a new fully susceptible cell-line...
2017: PloS One
https://www.readbyqxmd.com/read/28317203/attracting-enantiomers-chiral-analytes-that-are-simultaneously-shift-reagents-allow-rapid-screening-of-enantiomeric-ratios-by-nmr-spectroscopy
#18
Golo Storch, Maren Haas, Oliver Trapp
The rapid and direct determination of enantiomeric ratios is of increasing interest due to the significantly reduced effort compared to chromatographic methods and the large number of analytes, for instance in enantioselective catalysis. Current strategies include colorimetric assays, (a)chiral solvating reagents for NMR spectroscopy and metal complexes for CD sensing. We report the determination of enantiomeric ratios based on the self-induced diastereomeric anisochronism (SIDA) effect. Alanine derivatives that represent chiral products of enantioselective catalysis, such as the well-established hydrogenation of dehydroamino acids, were investigated...
April 24, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28295745/does-alcohol-outlet-density-differ-by-area-level-disadvantage-in-metropolitan-perth
#19
Sarah Foster, Paula Hooper, Matthew Knuiman, Georgina Trapp, Lisa Wood
INTRODUCTION AND AIMS: Research suggests that there are area-level disparities in alcohol outlets, with greater density in disadvantaged areas. In part, this might be explained by the inequitable distribution of retail, attracted by lower rents to disadvantaged neighbourhoods. This ecological study examines the distribution of liquor licences in Perth, Australia, and whether discrepancies in the distribution of retail land-uses could account for a socio-economic gradient. DESIGN AND METHODS: Area disadvantage was determined for each Statistical Area 1 (SA1) using the Australian Bureau of Statistics Index of Relative Socio-economic Disadvantage, and licence locations were mapped in GIS...
March 13, 2017: Drug and Alcohol Review
https://www.readbyqxmd.com/read/28295017/antimicrobial-peptide-gramicidin-s-is-accumulated-in-granules-of-producer-cells-for-storage-of-bacterial-phosphagens
#20
Marina Berditsch, Mareike Trapp, Sergii Afonin, Christian Weber, Julia Misiewicz, Joana Turkson, Anne S Ulrich
Many antimicrobial peptides are synthesized non-ribosomally in bacteria, but little is known about their subcellular route of biosynthesis, their mode of intracellular accumulation, or their role in the physiology of the producer cells. Here, we present a comprehensive view on the biosynthesis of gramicidin S (GS) in Aneurinibacillus migulanus, having observed a peripheral membrane localization of its synthetases. The peptide gets accumulated in nano-globules, which mature by fusion into larger granules and end up within vacuolar structures...
March 15, 2017: Scientific Reports
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